01: /*
02: * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
03: * for visualizing and manipulating spatial features with geometry and attributes.
04: *
05: * Copyright (C) 2003 Vivid Solutions
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * as published by the Free Software Foundation; either version 2
10: * of the License, or (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20: *
21: * For more information, contact:
22: *
23: * Vivid Solutions
24: * Suite #1A
25: * 2328 Government Street
26: * Victoria BC V8T 5G5
27: * Canada
28: *
29: * (250)385-6040
30: * www.vividsolutions.com
31: */
32:
33: package com.vividsolutions.jump.task;
34:
35: import java.io.PrintStream;
36:
37: import com.vividsolutions.jump.util.StringUtil;
38:
39: /**
40: * A TaskMonitor that reports its output to a PrintStream.
41: * User can control the level of output reported, as well as whether timing
42: * information is logged as well.
43: */
44: public class PrintStreamTaskMonitor implements TaskMonitor {
45: private PrintStream stream;
46: boolean isLoggingSubtasks = false;
47:
48: public PrintStreamTaskMonitor(PrintStream stream) {
49: this .stream = stream;
50: }
51:
52: public PrintStreamTaskMonitor() {
53: stream = System.out;
54: }
55:
56: public void setLoggingSubtasks(boolean isLoggingSubtasks) {
57: this .isLoggingSubtasks = isLoggingSubtasks;
58: }
59:
60: public void report(String description) {
61: stream.println(description);
62: }
63:
64: public void report(Exception exception) {
65: stream.println(StringUtil.stackTrace(exception));
66: }
67:
68: public void report(int subtasksDone, int totalSubtasks,
69: String subtaskDescription) {
70: if (isLoggingSubtasks) {
71: stream.println(subtasksDone + " / " + totalSubtasks + " "
72: + subtaskDescription);
73: }
74: }
75:
76: public void allowCancellationRequests() {
77: }
78:
79: public boolean isCancelRequested() {
80: return false;
81: }
82: }
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